Revenue

12 Months Ended

Apr. 30, 2021

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

Disaggregation of Revenue

The following table presents revenue by geographical region (in thousands):

	Fiscal Year Ended April 30,
	2021		2020		2019
North America(1)	$	119,795	$	121,485	$	61,314
Europe, the Middle East and Africa(1)	56,030		33,086		27,629
Asia Pacific(1)	5,992		2,095		2,662
Rest of World(1)	1,400		—		—
Total revenue	$	183,217	$	156,666	$	91,605

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(1)The United States comprised 65%, 78% and 66% of the Company’s revenue in the fiscal years ended April 30, 2021, 2020 and 2019, respectively. France comprised 12%, 10.5% and 15% of the Company’s revenue in the fiscal years ended April 30, 2021, 2020 and 2019, respectively. The Netherlands comprised 12% in the fiscal year ended April 30, 2021. No other country comprised 10% or greater of the Company’s revenue for each of the fiscal years ended April 30, 2021, 2020 and 2019.

Deferred Revenue

The following table reflects the deferred revenue balance (in thousands):

	As of April, 30
	2021		2020
Deferred revenue, current	$	72,263	$	53,537
Deferred revenue, non-current	2,964		6,758
Total deferred revenue	$	75,227	$	60,295

Significant changes in the deferred revenue balances during the fiscal years ended April 30, 2021 and 2020 were as follows (in thousands):

	Deferred Revenue
May 1, 2019	$	91,225
Performance obligations satisfied during the period that were included in the deferred revenue balance at the beginning of the year	(83,093)
Increases due to invoicing prior to satisfaction of performance obligations	52,163
April 30, 2020	60,295
Performance obligations satisfied during the period that were included in the deferred revenue balance at the beginning of the year	(57,542)
Increases due to invoicing prior to satisfaction of performance obligations	72,474
April 30, 2021	$	75,227

Remaining Performance Obligation

Remaining performance obligations are committed and represent non-cancellable contracted revenue that has not yet been recognized and will be recognized as revenue in future periods. Some contracts allow customers to cancel the contracts without a significant penalty, and the cancellable amount of contract value is not included in the remaining performance obligations.

The Company excludes amounts related to performance obligations and usage-based royalties that are billed and recognized as they are delivered. This primarily consists of monthly usage-based runtime and hosting charges arising in some revenue contracts.

Revenue expected to be recognized from remaining performance obligations was approximately $293.8 million as of April 30, 2021 of which $145.2 million is expected to be recognized over the next 12 months and the remainder thereafter.

Costs to Obtain or Fulfill a Contract

As of April 30, 2021 and 2020, the amount of costs to obtain and fulfill a contract included in prepaid expenses and other current assets was $3.2 million and $0.9 million, respectively. The amount of costs to obtain and fulfill a contract included in other assets, non-current as of April 30, 2021 and 2020 was $9.1 million and $1.2 million, respectively. Expenses recognized for costs to obtain and fulfill a contract for the years ended April 30, 2021, 2020 and 2019 was $1.2 million, $1.0 million and $1.1 million, respectively, and is included in sales and marketing expenses on the consolidated statements of operations. There were no impairments related to costs to obtain or fulfill a contract for the fiscal years ended April 30, 2021, 2020 and 2019, respectively.

Customer Concentration

All of the Company’s customers consist of corporate and governmental entities. A limited number of customers have accounted for a large part of the Company’s revenue and accounts receivable to date. Two separate customers accounted for 19% and 12%, respectively, of revenue for the year ended April 30, 2021. Two separate customers accounted for 26% and 10%, respectively, of revenue for the year ended April 30, 2020. Two separate customers accounted for 14% and 12%, respectively, of revenue for the year ended April 30, 2019. Four separate customers accounted for 18%, 14%, 14%, and 11% of accounts receivable at April 30, 2021. Three separate customers accounted for 33%, 19%, and 15% of accounts receivable at April 30, 2020.